贫血引起机体的代偿性反应中不包括()
A.脉搏加快
B.呼吸加速
C.血容量减少
D.动脉压增高
E.心动过速
参考答案:C
有一列数:8,18,24,49,55,60,65,77,81,98,100.它们的最小公倍数是______.(以乘方形式表示,不用写出计算结果)
Brunner, the famous American psychologist, holds that learners should organize knowledge for themselves by using discovery method rather than having materials ______ by the teacher.